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2007. World Wildlife Fund (WWF). This drainage direction map for Asia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest downsl... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). This raster layer is a void-filled digital elevation model (DEM) of Asia at 15 arc-seconds resolution. Elevation is expressed in meters and referen... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales) provides hydrographic information in a consistent... U.S. Geological Survey.
1872. Rumsey, David, 1944- and Stieler, Adolf. This layer is a georeferenced image of a map of China, Korea, and Japan originally created by A. Stieler in 1872. The orignal map appears in 'Hand ... Cartography Associates.
1787. Rumsey, David, 1944- and Kitchin, Thomas. This layer is a georeferenced image of a map of Asia, originally created by T. Kitchin in 1787. The original map appears in 'A general atlas, descr... Cartography Associates.
1887. Rumsey, David, 1944-. This layer is a georeferenced image of a map of Asia created in 1887. The original map appears in 'Mitchell's New General Atlas, Containing Maps Of... Cartography Associates.
1994 and 1995. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements in Asia as observed during 1994-1995. The Defense Meteorological Satellite Program (DMSP) Opera... National Geophysical and Solar-Terrestrial Data Center.